In recent times, as winter wheat continues to grow and develop, grass weeds have also started to emerge. These weeds significantly impact the yield of wheat crops. Implementing chemical herbicides for weed control in the fall is a timely, safe, and effective technique that should be widely adopted. Recently, it has become an ideal period for the chemical treatment of grass weeds in wheat fields. Zhao County has seized this opportunity to promote this new technology, making it one of the 100 science and technology demonstration villages in the county. Demonstration households receive free special herbicides for controlling grassy weeds. With limited time before the chemical application, a large-scale campaign for pre-winter weed eradication has quickly taken off in Zhao County.
The elimination of grass weeds is a common challenge across many farmlands. In wheat fields, the main target is grassy weeds, so choosing the right herbicides is crucial for effective control. When applying chemical methods, it's best to combine them with good agricultural practices, such as deep and shallow tillage, which can greatly enhance weed management in wheat fields. If herbicides are used, there are two recommended options.
First, dicamba or benzoic acid-based herbicides are highly effective against annual and perennial broadleaf weeds like sage, leeks, porcine, sorghum, burdock, big nest, scorpion, stalk, and more. Another option is 24-DB (2,4-D butyl ester) or phenoxyacetic acid hormone herbicides, which show excellent results in controlling grassy weeds such as wormwood, leeks, lacquer, sorghum, baocao, scorpion, pork stalk, rice stalk, sedge, bitter leeks, thorns, snails, and small convolvulus.
For perennial grass weeds, non-selective herbicides like glyphosate, glufosinate, and chlorsulfuron are commonly used, either through spraying or directed application. Broadleaf weeds are typically managed with foliar treatments containing ingredients like herbicide, metformin, or dicamba, often applied during spring and autumn when lawns are mature. It's important to apply herbicides when the soil is moist and wind is minimal. Selective herbicides are usually applied after weed emergence and are often combined in groups of two or three rather than used alone.
For more detailed and up-to-date information on pesticides, visit **The Pesticide Network**, your go-to source for comprehensive pesticide knowledge.
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